to leverage the obama administration has managed to put in place to balance out will also be lost without the iranians getting any concessions. >> john, do you want to jump into this? >> very briefly. i find many of these critiques, not yours of course, barbara, but many of these critiques about is protectable as a clarence thomas supreme court decision. mac when you know what -- [laughter] you and i could write these things. in terms of, the assumption line behind them, is often, well, you can't trust them. look at -- they will cheat. they will cheat. well, i would say only this. that if we and the iranians could never agree on anything, then what about what we agreed on in afghanistan? in 2001, 2002, with the same team, with the same team. are what we agreed on back in 1991, again with largely the same, about the lebanon hostages? or something that affects me personally. if we and the iranians could never agree on anything at all, then i and 51 of my colleagues would still be in tehran. spin i'm going to ask one question that i'm going to opened it up to you. and that is about israel. a